6620-00-557-5558

Characteristics

Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.

Scale Marking And Surface Finish

letters fluorescent and lined increments fluorescent and numerals fluorescent

Width

3.250 inches nominal

Length

5.156 inches nominal

Current Type

ac

Dc Voltage Rating

26.0 volts nominal

Frequency Rating

400.0 hertz nominal

Contact Quantity

7

Contact Type

pin

Scale Range

+0.1 to 200.0 pounds per square inch single indicator single scale

Individual Marking

1; 2

Electrical Connection Quantity

1

Electrical Connection Identifying Number

and10066a-16s-1p or 10066d-16s-1p

Illumination Color Generation Method

fluorescence

Mounting Stud Diameter

0.170 inches nominal

Accuracy Rating

10.0 pounds per square inch single indicator single scale

Features Provided

encapsulated

Phase

single

Height

3.250 inches nominal

Nondefinitive Spec/Std Data

b/9c/12 type

Fsc Application Data

engine instrument aircraft

Replaces National Stock Numbers

Below is a list of NSNs that have been officially replaced by the NSN 6620-00-557-5558

Related Parts & Specifications

This NSN includes a range of related parts designed for specific operational needs. Review each item below to find in-depth specifications, functional details, and guidance for correct application and replacement.

Classification Data

Detailed NSN information including identification codes, classification data, and key indicators used for cataloging, logistics, and supply management.

Type of Item Identification

4 - Partial descriptive item identification (type 1 concept)

Source of Supply

S9G - Defense supply center richmond, virginia 23297

Demilitarization

A - Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Criticality

X - The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Federal Item Identification Guide

A533Y0

Precious Metals Indicator

A - Item does not contain precious metal.

Pseudo Item Name Code

0003378

Hazardous Material Indicator

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Schedule B Code

9031808080

Freight Information

Comprehensive freight classifications, shipping codes, and handling specifications for domestic and international transport compliance.

Major Organizational Entity

XX

National Motor Freight Classification Item Number

121570

National Motor Freight Classification Sub-Item Number

X

Uniform Freight Classification Item Number

61770

National Motor Freight Class Rating

J - 100.0

Less than Car Load Rating

J - 100.0

Water Commodity

652 - Instruments, scientific

Type of Cargo

Z - No special type of cargo code applicable

Special Hand

Z - Other or no special handling required (sh)

Air Dimension

A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

Air Commodity

AZ -

National Motor Freight Description

gages air liquid level pressure

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 6620-00-557-5558

Recommended for You

Discover a selection of other high-demand NSN components from our catalog. These featured parts are frequently sourced by procurement teams across defense, aerospace, and industrial sectors.

5325-00-940-7988

5305-01-296-1975

2920-00-078-3353

2920-00-078-3353

5310-00-949-6139

Popular Parts

Browse our top-performing parts, selected based on customer demand and procurement frequency. All listings include up-to-date specs, availability, and condition: